Millions of Scandinavians travel to the Canary Islands every year. It's Christmas and high season when a Norwegian family checks into their favorite hotel on the island of La Palma. But beneath the idyll, a danger lurks. A young Norwegian scientist discovers alarming signs about the volcano located in the center of the holiday paradise. She must convince her colleagues that the worst-case scenario is about to happen. If the volcano erupts, a mountain mass the size of Manhattan might erupt into the sea and cause the largest tsunami the world has ever seen. Will the family manage to escape the disaster of ash, gas and lava in a fight for their lives?